• 开发图书增删改查页面

    开发图书增删改查页面
    需求:
    1.列出图书列表、出版社列表、作者列表
    2.点击作者，会列出其出版的图书列表
    3.点击出版社，会列出旗下图书列表
    4.可以创建、修改、删除 图书、作者、出版社

    主页信息：
    http://127.0.0.1:8000/index/

    model.py
    from django.db import models

# Create your models here.

class Book(models.Model):
    """书表"""
    id = models.AutoField(primary_key=True)
    title = models.CharField(max_length=32)
    publish_date = models.DateField()
    publisher = models.ForeignKey("Publisher",on_delete=models.CASCADE)
    author = models.ManyToManyField("Author")

class Publisher(models.Model):
     '''出版社表'''
     id = models.AutoField(primary_key=True)
     pname = models.CharField(max_length=32)

class Author(models.Model):
     '''作者表'''
     id = models.AutoField(primary_key=True)
     aname = models.CharField(max_length=32)

    urls.py

    

    

    from django.contrib import admin
from django.urls import path, re_path

from app01 import views

urlpatterns = [
    path('admin/', admin.site.urls),
    path('index/', views.index),

    path('book/', views.book),
    path('addbook/', views.addbook),
    re_path(r"^delbook/", views.delbook), #delbook(request,2)
    re_path(r"^editbook/", views.editbook),
    #re_path(r"query",views.query),

    re_path(r'^publisher', views.publisher),
    re_path(r'^addpublisher', views.addpublisher),
    re_path(r'^delpublisher', views.delpublisher),
    re_path(r'^editpublisher', views.editpublisher),
    re_path(r'^publisher_book', views.publisher_book),

    re_path(r'^author/', views.author),
    re_path(r'^addauthor', views.addauthor),
    re_path(r'^delauthor', views.delauthor),
    re_path(r'^editauthor', views.editauthor),
    re_path(r'^author_book', views.author_book),

]
    

    

    

    views.py
    

    

    from django.shortcuts import render, HttpResponse, redirect

# Create your views here.
from app01.models import Book
from app01 import models

#主页
def index(request):
    return render(request,"index.html")

#添加书籍
def addbook(request):
    if request.method == 'POST':
        title = request.POST.get("title")
        pid = request.POST.get("pid")
        publish_date = request.POST.get("pub_date")
        authors = request.POST.getlist("aids")

        models.Book.objects.create(title=title,publish_date=publish_date,publisher_id=pid)
        new_book = models.Book.objects.get(title=title)
        new_book.author.set(authors)
        return redirect("/book/")
    pub_list = models.Publisher.objects.all()
    author_list = models.Author.objects.all()
    return render(request, "addbook.html", {"pub_list": pub_list, "author_list": author_list})

#查看图书
def book(request):
    book_list = Book.objects.all()
    return render(request, "book.html", {"book_list":book_list})
#删除书籍
def delbook(request):
    bid = request.GET.get("bid")
    book_obj = models.Book.objects.filter(id=bid).first()
    book_obj.delete()
    return redirect("/book/")
#编辑书籍
def editbook(request):
    bid = request.GET.get("bid")
    book_obj = models.Book.objects.filter(id=bid).first()
    if request.method == "POST":
        title = request.POST.get("title")
        pid = request.POST.get("pid")
        publish_date = request.POST.get("pub_date")
        authors = request.POST.getlist("aids")
        models.Book.objects.filter(id=bid).update(title=title, publish_date=publish_date, publisher_id=pid)
        edit_book = models.Book.objects.get(id=bid)
        edit_book.author.set(authors)
        return redirect("/book/")
    pub_list = models.Publisher.objects.all()
    author_list = models.Author.objects.all()
    return render(request,"editbook.html",{"book_obj":book_obj,"pub_list": pub_list, "author_list": author_list})

# def query(request):
#     ret = Book.objects.filter(publish="老男孩出版社", price__gt=200)
#     ret = Book.objects.filter(title__startswith="py")
#     return HttpResponse("ok")


#查看出版社
def publisher(request):
    publisher_list = models.Publisher.objects.all()
    return render(request, "publisher.html",{"publisher_list":publisher_list} )

def pub_is_valid(xname):
    """验证出版社信息"""
    if models.Publisher.objects.filter(pname=xname).count() != 0:
        return {"status": "该出版社已存在！"}
#增加出版社
def addpublisher(request):
    if request.method == 'POST':
        pname = request.POST.get("pname")
        ret = pub_is_valid(pname)
        # print(ret)
        if ret:
            ret["pname"] = pname
            return render(request,"addpublisher.html",ret)
        else:
            models.Publisher.objects.create(pname=pname)
            return redirect("/publisher/")
    return render(request, "addpublisher.html")

#编辑出版社
def editpublisher(request):
    pid = request.GET.get("pid")
    pub_obj = models.Publisher.objects.filter(id=pid).first()
    if request.method == "POST":
        pname = request.POST.get("pname")
        ret = pub_is_valid(pname)
        if ret:
            pub_obj.pname = pname
            ret["pub_obj"] = pub_obj
            return render(request,"editpublisher.html",ret)
        else:
            models.Publisher.objects.filter(id=pid).update(pname=pname)
            return redirect("/publisher/")
    return render(request, "editpublisher.html", {"pub_obj":pub_obj})

#删除出版社
def delpublisher(request):
    pid = request.GET.get("pid")
    publisher_obj = models.Publisher.objects.filter(id=pid).first()
    publisher_obj.delete()
    return redirect("/publisher/")

#出版社关联书籍
def publisher_book(request):
    pid = request.GET.get("pid")
    pub_obj = models.Publisher.objects.filter(id=pid).first()
    pname = pub_obj.pname
    book_list = pub_obj.book_set.all()
    return render(request, "publisher_book.html")
#查看作者
def author(request):
    author_list = models.Author.objects.all()
    return render(request, "author.html", {"author_list":author_list})

def author_is_valid(xname):
    """验证作者信息"""
    if models.Author.objects.filter(aname=xname).count() != 0:
        return {"status": "该作者已存在！"}

def addauthor(request):
    if request.method == 'POST':
        aname = request.POST.get("aname")
        ret = author_is_valid(aname)
        if ret:
            ret["aname"] = aname
            return render(request,"addauthor.html",ret)
        else:
            models.Author.objects.create(aname=aname)
            return redirect("/author/")

    return render(request, "addauthor.html")

def delauthor(request):
    aid = request.GET.get("aid")
    author_obj = models.Author.objects.filter(id=aid).first()
    author_obj.delete()
    return redirect("/author/")

# 编辑作者
def editauthor(request):
    aid = request.GET.get("aid")
    author_obj = models.Author.objects.filter(id=aid).first()
    if request.method == "POST":
        aname = request.POST.get("aname")
        ret = author_is_valid(aname)
        if ret:
            author_obj.aname = aname
            ret["author_obj"] = author_obj
            return render(request,"editauthor.html",ret)
        else:
            models.Author.objects.filter(id=aid).update(aname=aname)
            return redirect("/author/")
    return render(request,"editauthor.html",{"author_obj":author_obj})

#作者关联书籍；多对多
def author_book(request):
    aid = request.GET.get("aid")
    author_obj = models.Author.objects.filter(id=aid).first()
    aname = author_obj.aname
    book_list = author_obj.book_set.all()
    return render(request, "author_book.html")
    

    

    settings.py
    

    

    

     
    

    

    base.html
    

    

    

     1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Title</title>
 6     <link rel="stylesheet" href="/static/bs/css/bootstrap.css">
 7 
 8 </head>
 9 <body>
10 <div class="container">
11     <h2>图书管理系统</h2>
12     <br>
13 </div>
14 
15 <div class="container">
16     <ul class="nav nav-tabs" id="myTab">
17         <li role="presentation" class="active"><a href="/index/">主页</a></li>
18         <li role="presentation"><a href="/book/">图书</a></li>
19         <li role="presentation"><a href="/author/">作者</a></li>
20         <li role="presentation"><a href="/publisher/">出版社</a></li>
21     </ul>
22 </div>
23 <br>
24 
25 {% block content %}
26 {% endblock %}
27 
28 
29 </body>
30 <script src="/static/js/jquery-3.3.1.js"></script>
31 <script src="/static/bs/js/bootstrap.js"></script>
32 
33 <script>
34     {% block script %}
35     {% endblock %}
36 </script>
37 </html>
    

    
View Code
    

    addauthor.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <div class="col-md-4">
 6             <h4>添加作者信息</h4>
 7             <form action="/addauthor/" method="post">
 8                 {% csrf_token %}
 9                 <div class="form-group">
10                     <label for="author">作者姓名</label>
11                     <input type="text" class="form-control" id="author" name="aname"
12                            placeholder="请输入要添加的作者姓名" value="{{ aname }}" style="margin-bottom: 5px;">
13                     <span class="label label-danger">{{ status }}</span>
14                 </div>
15                 <div class="form-group">
16                     <button type="submit" class="btn btn-primary">提交</button>
17                 </div>
18             </form>
19         </div>
20     </div>
21 
22 {% endblock %}
    

    
View Code
    

    addbook.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <div class="col-md-4">
 6             <h4>添加图书信息</h4>
 7             <form action="/addbook/" method="post">
 8                 {% csrf_token %}
 9                 <div class="form-group">
10                     <label for="book">书名</label>
11                     <input type="text" class="form-control" id="book" name="title"
12                            placeholder="请输入要添加的书籍名称">
13                 </div>
14                 <div class="form-group">
15                     <b style="margin-bottom: 5px;display: inline-block">请选择出版社</b>
16                     <select class="form-control" name="pid">
17                         {% for pub in pub_list %}
18                             <option value={{ pub.id }}>{{ pub.pname }}</option>
19                         {% endfor %}
20                     </select>
21                 </div>
22                 <div class="form-group">
23                     <label for="date">出版日期</label>
24                     <input type="date" class="form-control" id="date" name="pub_date">
25                 </div>
26                 <div class="form-group">
27                     <b style="margin-bottom: 5px;display: inline-block">请选择作者（可多选）</b>
28                     <select class="form-control" multiple name="aids">
29                         {% for author in author_list %}
30                             <option value={{ author.id }}>{{ author.aname }}</option>
31                         {% endfor %}
32                     </select>
33                 </div>
34                 <div class="form-group">
35                     <button type="submit" class="btn btn-primary">提交</button>
36                 </div>
37             </form>
38         </div>
39     </div>
40 
41 {% endblock %}
    

    
View Code
    

    addpublisher.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <div class="col-md-4">
 6             <h4>添加出版社信息</h4>
 7             <form action="/addpublisher/" method="post">
 8                 {% csrf_token %}
 9                 <div class="form-group">
10                     <label for="publisher">出版社名称</label>
11                     <input type="text" class="form-control" id="publisher" name="pname"
12                            placeholder="请输入要添加的出版社名称" value="{{ pname }}" style="margin-bottom: 5px;">
13                     <span class="label label-danger">{{ status }}</span>
14                 </div>
15                 <div class="form-group">
16                     <button type="submit" class="btn btn-primary">提交</button>
17                 </div>
18             </form>
19         </div>
20     </div>
21 
22 {% endblock %}
    

    
View Code
    

    author.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container" style="padding-bottom: 5px;">
 5         <a href="/addauthor/" class="btn btn-info glyphicon glyphicon-plus">添加作者</a>
 6     </div>
 7     <div class="container">
 8         <table class="table table-striped table-hover">
 9             <thead>
10             <tr>
11                 <th>序号</th>
12                 <th hidden>作者ID</th>
13                 <th>作者</th>
14                 <th>操作</th>
15             </tr>
16             </thead>
17             <tbody>
18             {% for author in author_list %}
19                 <tr>
20                     <td>{{ forloop.counter }}</td>
21                     <td hidden>{{ author.id }}</td>
22                     <td><a href="/author_book?aid={{ author.id }}">{{ author.aname }}</a></td>
23                     <td>
24                         <a class="glyphicon glyphicon-pencil" style="padding-right: 10px" href="/editauthor?aid={{ author.id }}"></a>
25                         <a class="glyphicon glyphicon-remove" href="/delauthor?aid={{ author.id }}"></a>
26                     </td>
27 
28                 </tr>
29             {% endfor %}
30             </tbody>
31         </table>
32 
33     </div>
34 
35 {% endblock %}
36 
37 {% block script %}
38     $(function () {
39         $("li[class=active]").parent().children().eq(2).addClass("active").siblings().removeClass("active");
40     })
41 {% endblock %}
    

    
View Code
    

    author_book.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <table class="table table-striped table-hover">
 6             <thead>
 7             <tr>
 8                 <th>序号</th>
 9                 <th>出版书籍</th>
10                 <th>作者</th>
11             </tr>
12             </thead>
13             <tbody>
14             {% for book in book_list %}
15                 <tr>
16                     <td>{{ forloop.counter }}</td>
17                     <td>{{ book.title }}</td>
18                     <td>{{ aname }}</td>
19                 </tr>
20             {% endfor %}
21             </tbody>
22         </table>
23 
24     </div>
25 
26 {% endblock %}
    

    
View Code
    

    book.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container" style="padding-bottom: 5px;">
 5         <a href="/addbook/" class="btn btn-info glyphicon glyphicon-plus">添加图书</a>
 6     </div>
 7     <div class="container">
 8         <table class="table table-striped table-hover">
 9             <thead>
10             <tr>
11                 <th>序号</th>
12                 <th hidden>图书ID</th>
13                 <th>书名</th>
14                 <th>作者</th>
15                 <th>出版日期</th>
16                 <th>出版社</th>
17                 <th>操作</th>
18             </tr>
19             </thead>
20             <tbody>
21             {% for book in book_list %}
22                 <tr>
23                     <td>{{ forloop.counter }}</td>
24                     <td hidden>{{ book.id }}</td>
25                     <td>{{ book.title }}</td>
26                     <td>
27                         {% for author in book.author.all %}
28                             {{ author.aname }}&nbsp;&nbsp;&nbsp;
29                         {% endfor %}
30                     </td>
31                     <td>{{ book.publish_date|date:"Y-m-d" }}</td>  {# filter格式化日期 #}
32                     <td>{{ book.publisher.pname }}</td>
33                     <td>
34                         <a class="glyphicon glyphicon-pencil" style="padding-right: 10px" href="/editbook?bid={{ book.id }}"></a>
35                         <a class="glyphicon glyphicon-remove" href="/delbook?bid={{ book.id }}"></a>
36                     </td>
37 
38                 </tr>
39             {% endfor %}
40             </tbody>
41         </table>
42 
43     </div>
44 
45 {% endblock %}
46 
47 {% block script %}
48     $(function () {
49         $("li[class=active]").parent().children().eq(1).addClass("active").siblings().removeClass("active");
50     })
51 {% endblock %}
    

    
View Code
    

    editauthor.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <div class="col-md-4">
 6             <h4>编辑作者信息</h4>
 7              <form action="/editauthor/?aid={{ author_obj.id }}" method="post">
 8                 {% csrf_token %}
 9                 <div class="form-group">
10                     <label for="author">作者姓名</label>
11                     <input type="text" class="form-control" style="margin-bottom: 5px;" id="author" name="aname" value="{{ author_obj.aname }}">
12                     <span class="label label-danger">{{ status }}</span>
13                 </div>
14                 <div class="form-group">
15                     <button type="submit" class="btn btn-primary">提交</button>
16                 </div>
17             </form>
18         </div>
19 
20     </div>
21     
22 {% endblock %}
    

    
View Code
    

    editbook.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <div class="col-md-4">
 6             <h4>编辑图书信息</h4>
 7             <form action="/editbook/?bid={{ book_obj.id }}" method="post">
 8                 {% csrf_token %}
 9                 <div class="form-group">
10                     <label for="book">书名</label>
11                     <input type="text" class="form-control" id="book" name="title"
12                            value="{{ book_obj.title }}">
13                 </div>
14 
15                 <div class="form-group">
16                     <b style="margin-bottom: 5px;display: inline-block">请选择出版社</b>
17                     <select class="form-control" name="pid">
18                         {% for pub in pub_list %}
19                             {% if pub.id == book_obj.publisher.id %}
20                                 <option value="{{ pub.id }}" selected>{{ pub.pname }}</option>
21                             {% else %}
22                                 <option value="{{ pub.id }}">{{ pub.pname }}</option>
23                             {% endif %}
24                         {% endfor %}
25                     </select>
26                 </div>
27 
28                 <div class="form-group">
29                     <label for="date">出版日期</label>
30                     <input type="date" class="form-control" id="date" name="pub_date"
31                            value="{{ book_obj.publish_date|date:"Y-m-d" }}">
32                 </div>
33 
34                 <div class="form-group">
35                     <b style="margin-bottom: 5px;display: inline-block">请选择作者（可多选）</b>
36                     <select class="form-control" multiple name="aids">
37                         {% for author in author_list %}
38                             {% if author in book_obj.author.all %}
39                                 <option value="{{ author.id }}" selected>{{ author.aname }}</option>
40                             {% else %}
41                                 <option value="{{ author.id }}">{{ author.aname }}</option>
42                             {% endif %}
43                         {% endfor %}
44                     </select>
45                 </div>
46 
47                 <div class="form-group">
48                     <button type="submit" class="btn btn-primary">提交</button>
49                 </div>
50 
51             </form>
52         </div>
53     </div>
54 
55 {% endblock %}
    

    
View Code
    

    editpublisher.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <div class="col-md-4">
 6             <h4>编辑出版社信息</h4>
 7             <form action="/editpublisher/?pid={{ pub_obj.id }}" method="post">
 8                 {% csrf_token %}
 9                 <div class="form-group">
10                     <label for="publisher">出版社名称</label>
11                     <input type="text" class="form-control" style="margin-bottom: 5px;" id="publisher" name="pname"
12                            value="{{ pub_obj.pname }}">
13                     <span class="label label-danger">{{ status }}</span>
14                 </div>
15                 <div class="form-group">
16                     <button type="submit" class="btn btn-primary">提交</button>
17                 </div>
18             </form>
19         </div>
20 
21     </div>
22 
23 {% endblock %}
    

    
View Code
    

    publisher.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container" style="padding-bottom: 5px;">
 5         <a href="/addpublisher/" class="btn btn-info glyphicon glyphicon-plus">添加出版社</a>
 6     </div>
 7 
 8     <div class="container">
 9         <table class="table table-striped table-hover">
10             <thead>
11             <tr>
12                 <th>序号</th>
13                 <th hidden>出版社ID</th>
14                 <th>出版社</th>
15                 <th>操作</th>
16             </tr>
17             </thead>
18             <tbody>
19             {% for pub in publisher_list %}
20                 <tr>
21                     <td>{{ forloop.counter }}</td>
22                     <td hidden>{{ pub.id }}</td>
23                     <td><a href="/publisher_book?pid={{ pub.id }}">{{ pub.pname }}</a></td>
24                     <td>
25                         <a class="glyphicon glyphicon-pencil" style="padding-right: 10px" href="/editpublisher?pid={{ pub.id }}"></a>
26                         <a class="glyphicon glyphicon-remove" href="/delpublisher?pid={{ pub.id }}"></a>
27                     </td>
28 
29                 </tr>
30             {% endfor %}
31             </tbody>
32         </table>
33     </div>
34 
35 {% endblock %}
36 
37 {% block script %}
38     $(function () {
39         $("li[class=active]").parent().children().eq(3).addClass("active").siblings().removeClass("active");
40     })
41 {% endblock %}
    

    
View Code
    

    publisher_book.html
    

    

    

     1 {% extends "base.html" %}
 2 {% block content %}
 3 
 4     <div class="container">
 5         <table class="table table-striped table-hover">
 6             <thead>
 7             <tr>
 8                 <th>序号</th>
 9                 <th>出版书籍</th>
10                 <th>出版社</th>
11             </tr>
12             </thead>
13             <tbody>
14             {% for book in book_list %}
15                 <tr>
16                     <td>{{ forloop.counter }}</td>
17                     <td>{{ book.title }}</td>
18                     <td>{{ pname }}</td>
19 
20                 </tr>
21             {% endfor %}
22             </tbody>
23         </table>
24 
25     </div>
26 
27 {% endblock %}
    

    
View Code
    

    index.html
    

    

    

    1 {% extends "base.html" %}
2 {% block content %}
3 
4 <div class="container"><h2>Welcome to the library management system</h2></div>
5 
6 {% endblock %}
    

    
View Code
    


    





     
    

    
    
          
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            原文地址：https://www.cnblogs.com/shengyang17/p/9131636.html
          
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